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Finding the Fourth Proportional to 79,247.80, 118,923.25 and 34,313.04

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Solution

The fourth proportional to 79,247.80, 118,923.25 and 34,313.04 is: 51,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,247.80 : 118,923.25 = 34,313.04 : x
  2. Step 2: Convert to fraction form
    79,247.80/118,923.25 = 34,313.04/x
  3. Step 3: Cross multiply
    79,247.80x = 118,923.25 × 34,313.04
  4. Step 4: Simplify right side
    79,247.80x = 4,080,618,234.18
  5. Step 5: Solve for x
    x = 4,080,618,234.18/79,247.80
  6. Step 6: Final answer
    x = 51,491.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.